Registered Nurse – ICU Float Unit at Yale New Haven Health summary: The Registered Nurse (ICU Float Unit) provides patient-centered care by assessing, planning, implementing, and evaluating nursing care for critically ill patients. Keywords: Registered Nurse, ICU Nurse, Critical Care, Float Nurse, Neuro Patient Care, Ventilator Care, Tracheostomy Nursing, Patient Education, Acute Care Nursing, Healthcare Team Collaboration.